Pith Number

pith:RD5D2AHN

pith:2016:RD5D2AHNUEX2GEIT4S7JSD7NDU

not attested not anchored not stored refs pending

Understanding and maintaining tactics graphically OR how we are learning that a diagram can be worth more than 10K LoC

Gudmund Grov, Rob Arthan, Yuhui Lin

arxiv:1610.05593 v2 · 2016-10-17 · cs.LO · cs.PL

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RD5D2AHNUEX2GEIT4S7JSD7NDU}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T00:54:57.715658Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88fa3d00eda12fa31113e4be990fed1d2a2ef6b56b26b2ae3ddaac811a148328

Aliases

arxiv: 1610.05593 · arxiv_version: 1610.05593v2 · doi: 10.48550/arxiv.1610.05593 · pith_short_12: RD5D2AHNUEX2 · pith_short_16: RD5D2AHNUEX2GEIT · pith_short_8: RD5D2AHN

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/RD5D2AHNUEX2GEIT4S7JSD7NDU \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 88fa3d00eda12fa31113e4be990fed1d2a2ef6b56b26b2ae3ddaac811a148328

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf4940ae7a81db07180fc68f5bda9b0191ea94e5830a09d11e765e78f15b6f54",
    "cross_cats_sorted": [
      "cs.PL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2016-10-17T10:17:01Z",
    "title_canon_sha256": "e7e75ea23a936c422206f8d091e4b1f7f43bff663007d04418e52e4b464d1bfd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.05593",
    "kind": "arxiv",
    "version": 2
  }
}